books.google.com - Presentation of the hypothesis that Ranigumpha cave near Bhubaneswar was an ancient theatre designed in accordance with the Nāṭyaśāstra of Bharata Muni and that Khandagiri and Udayagiri caves were a theatre complex....https://books.google.com/books/about/Catara_Jathara_Jatra_the_Theatre.html?id=8coJAQAAIAAJ&utm_source=gb-gplus-shareCatara, Jathara, Jatra-the Theatre

Catara, Jathara, Jatra-the Theatre

Presentation of the hypothesis that Ranigumpha cave near Bhubaneswar was an ancient theatre designed in accordance with the Nāṭyaśāstra of Bharata Muni and that Khandagiri and Udayagiri caves were a theatre complex.